CVE-2026-114382
A security flaw has been discovered in TOTOLINK EX200 5.2.3c.7200
- Risk score
- 75/100
- CVSS
- 10.0 v3.1
- Exploit chance (30 days)
- 0.7%
- Published
- 21 Oct 2026
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What to know
- What it is
- A critical security flaw (CVSS 10.0) has been discovered in TOTOLINK EX200 5.2.3c.7200, allowing a remotely exploitable stack-based buffer overflow via the setStaticDhcpConfig function in /cgi-bin/cstecgi.cgi. An attacker could exploit this to gain high privileges.
- Affected
- {'products': ['TOTOLINK EX200'], 'packages': [], 'versions': ['5.2.3c.7200']}
- Fix
- Check the linked advisory for a fix, as none is provided.
- Exploitation
- Public proof of concept
Why it is Amber
- CVSS 10.0 critical
- Remotely exploitable without logging in
References
Original description
A security flaw has been discovered in TOTOLINK EX200 5.2.3c.7200. This affects the function setStaticDhcpConfig of the file /cgi-bin/cstecgi.cgi of the component lan.so. The manipulation of the argument Comment results in stack-based buffer overflow. It is possible to launch the attack remotely. The exploit has been released to the public and may be used for attacks.
Last activity 21 Oct 2026. Patch Forecast updates every hour.